/Engine/Source/Runtime/Engine/Classes/GameFramework/Actor.h
Check if this actor is the owner when doing relevancy checks for actors marked bOnlyRelevantToOwner
bool - true if this actor should be considered the owner
virtual bool IsRelevancyOwnerFor ( const [AActor](API\Runtime\Engine\GameFramework\AActor) * ReplicatedActor, const [AActor](API\Runtime\Engine\GameFramework\AActor) * ActorOwner, const [AActor](API\Runtime\Engine\GameFramework\AActor) * ConnectionActor ) const